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Finding the Fourth Proportional to 616,621.60, 924,932.40 and 173,389.60

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Solution

The fourth proportional to 616,621.60, 924,932.40 and 173,389.60 is: 260,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,621.60 : 924,932.40 = 173,389.60 : x
  2. Step 2: Convert to fraction form
    616,621.60/924,932.40 = 173,389.60/x
  3. Step 3: Cross multiply
    616,621.60x = 924,932.40 × 173,389.60
  4. Step 4: Simplify right side
    616,621.60x = 160,373,658,863.04
  5. Step 5: Solve for x
    x = 160,373,658,863.04/616,621.60
  6. Step 6: Final answer
    x = 260,084.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.